0000912282-26-000965 Sample Contracts

LETTER AGREEMENT REGARDING PLEDGE, TRANSFER AND ASSIGNMENT OF SERIES D PREFERRED STOCK AND WARRANTS
Letter Agreement • July 10th, 2026 • Endeavor Blockchain, LLC • Finance services • New York
PLEDGE AGREEMENT
Pledge Agreement • July 10th, 2026 • Endeavor Blockchain, LLC • Finance services • New York

This MEMBERSHIP INTEREST PLEDGE AGREEMENT, dated as of June 30, 2026 (as amended, supplemented or otherwise modified from time to time in accordance with the provisions hereof, this “Agreement”), made by and among Rightway Ground LLC, a Texas limited liability company, PM Squared, LLC, a Texas limited liability company, and Endeavor Blockchain, LLC, an Arkansas limited liability company (each a “Pledgor” and collectively, the “Pledgors”) in favor of Yorkville Advisors Global, LP in its capacity as agent for the Lenders (as defined below) (in such capacity, the “Secured Party”).

JOINT FILING AGREEMENT
Joint Filing Agreement • July 10th, 2026 • Endeavor Blockchain, LLC • Finance services

In accordance with Rule 13d-1(k)(1) promulgated under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree to the joint filing with each other on behalf of each of them of a statement on Schedule 13D and any amendments thereto with respect to the common shares of Big Digital Energy, Inc. beneficially owned by each of them. This Joint Filing Agreement shall be included as an exhibit to such Schedule 13D.